He can raise rent to pay for the added tax.
Rents are already as high as the market can bear for most tenancies, so the landlord has to eat cost increases.
The Renter will pay the tax.
Landlords are running a business, they are not “eating” costs, the costs are paid for by the rent, and if the rent isn’t high enough to cover the costs, they go out of business. Every tax you inflict is simply violence against the renter. So go ahead, make a land value tax, make it even harder for people to rent.
Lars Doucet has a good essay on this with empirical sources on AstralCodexTen: https://astralcodexten.substack.com/p/does-georgism-work-par... I believe he frequents HN as well.